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Radian 5 Combination Car Seat

Group: 0, 0+, 1, 2 Universal: Birth – 18kg Semi-Universal: 15 – 25kg

From baby’s first ride to daily adventures in parenting, life doesn’t stop when children come along. Don’t let transportation hassles or concerns hold you back. Diono is ready to go wherever life takes you.

Shop Radian 5 + Accessories

radian 5

Radian Angle Adjuster

Cool Mesh Comfort Liner

Ultra Mat™

Lovingly Engineered

Extended Rear Facing

Rear facing is 5x safer for younger children. Your precious cargo can remain rear facing in the Diono Radian 5 for approximately 7 years (up to 25kg). Unique Safe Stop attachment to absorb more crash forces

Longer Forward Facing Harness Use

You decide when it's the right time to turn forward facing with Radian 5. Forward-facing 5-point harness capacity from 9kg up to 25kg. SuperGrip energy absorbing harness pads significantly reduce the impact of crash forces.

Side Impact Protection

Full steel alloy frame creates the strongest car seat available. Your child is cocooned in comfort while the aluminum reinforced side walls and headrest provide complete head to hip protection.

Moving to a Booster

Expandable sides and extendable headrest grow with your child as they reach each milestone. However, when it's time to graduate from Radian 5 to a Group 2/3 car seat, Monterey2 and mXT high back boosters will continue to protect your most precious cargo.

A combination car seat like no other

We have our 1 year old rear-facing and he is super comfy. We've tried a few different car seats rear-facing and he always looks quite squished. But in the Radian 5 he's at a perfect recline, so if he's asleep then he's really comfy but if he's awake he can see all around him.

Sinead @ MommyTalks

Oh my goodness, the seat is one of the softest ones I have felt! The radian 5 has memory foam seat padding, so it is soft and squishy. I wish all of my seats had memory foam. The memory foam goes all the way up the car seat too, so Tyler is comfortable all over including his sides & head.

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